h a l f b a k e r y
With moderate power, comes moderate responsibility.
add, search, annotate, link, view, overview, recent, by name, random
news, help, about, links, report a problem
or get an account
Imagine a credit card true to form: swipe it and it changes
your account balance to a credit. $842 becomes -$842. Ought
to be as simple as a couple lines of code.
||If this is an idea where one can pay one's credit-card bill at a shop (and the merchanter gets a credit service-fee instead of a debit), then that's a wonderful idea.
||What if you accidentally swipe twice?